1.Both notes, with a denomination of 20 yuan, feature the official emblem of the 24th Winter Olympics on the obverse.

两款纸币面值均为二十元，正面均印有第 24 届冬奥会会徽。

2.If I understand the matter of all, science and art are the obverse and reverse of the Nature's medal; the one expressing the external order of things, in terms of feeling, and the other in terms of thought.

依我所见，科学和艺术实乃大自然这枚圣牌的正两面，个以情感的方式表达了事物的外在规律，而另外个则性的方式。

3.What Dr Gupta has shown, though in software rather than in the real, biological world, is that the obverse can also be true-changes in body morphology can optimise the way minds (or, at least, derls) work.

古普塔博士已证明，尽管在软件中而不在真实的生物世界中，相的情况也可能会发生的——身体形态的改变可以优化大脑（或者至少derl）的工作方式。